11131301331222 has 32 divisors (see below), whose sum is σ = 22684414521600. Its totient is φ = 3640378909728.

The previous prime is 11131301331133. The next prime is 11131301331247. The reversal of 11131301331222 is 22213310313111.

It is a junction number, because it is equal to n+sod(n) for n = 11131301331192 and 11131301331201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30708178 + ... + 31068549.

It is an arithmetic number, because the mean of its divisors is an integer number (708887953800).

Almost surely, 2^{11131301331222} is an apocalyptic number.

11131301331222 is an abundant number, since it is smaller than the sum of its proper divisors (11553113190378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11131301331222 is a wasteful number, since it uses less digits than its factorization.

11131301331222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61777300.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 11131301331222 its reverse (22213310313111), we get a palindrome (33344611644333).

The spelling of 11131301331222 in words is "eleven trillion, one hundred thirty-one billion, three hundred one million, three hundred thirty-one thousand, two hundred twenty-two".